Question

Solve the following system:

y = x + 3
2x + y = 9

(2, 5)
(5, 2)
(-2, 5)
(2, -5)

Answer 1

i think its a

Answer 2

x+3=9-2x
+x +x
3=9-1x
-9 -9
-12=-1x
x=12
So you plug it in and the right answer is -2,5

Answer 3

(-2,5) doesn't work...

Answer 4

\(\large (5)\neq (-2)+3\)

Answer 5

i think its a right?

Answer 6

OK fine its B

Answer 7

i mean D

Answer 8

No, @stupid12 is correct. It's A

Answer 9

hey if you go throught and plug all the answer choices in you should find the correct answer

Answer 10

here is how you do it though

Answer 11

yeah i think it is because its the only one that works in the equation

Answer 12

Good job @stupid12
@matlee you added x to both sides of the equation instead of subtracting.